<?php

if (! defined('BASEPATH'))
    exit('No direct script access allowed');

/**
 * CodeIgniter
 *
 * An open source application development framework for PHP 5.1.6 or newer
 *
 * @package CodeIgniter
 * @author Esen Sagynov
 * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
 * @license http://codeigniter.com/user_guide/license.html
 * @link http://codeigniter.com
 * @since Version 1.0
 * @filesource
 *
 */
    
// ------------------------------------------------------------------------

/**
 * CUBRID Utility Class
 *
 * @category Database
 * @author Esen Sagynov
 * @link http://codeigniter.com/user_guide/database/
 */
class CI_DB_cubrid_utility extends CI_DB_utility
{

    /**
     * List databases
     *
     * @access private
     * @return array
     */
    function _list_databases ()
    {
        // CUBRID does not allow to see the list of all databases on the
        // server. It is the way its architecture is designed. Every
        // database is independent and isolated.
        // For this reason we can return only the name of the currect
        // connected database.
        if ($this->conn_id) {
            return "SELECT '" . $this->database . "'";
        } else {
            return FALSE;
        }
    }
    
    // --------------------------------------------------------------------
    
    /**
     * Optimize table query
     *
     * Generates a platform-specific query so that a table can be optimized
     *
     * @access private
     * @param
     *            string the table name
     * @return object
     * @link http://www.cubrid.org/manual/840/en/Optimize%20Database
     */
    function _optimize_table ($table)
    {
        // No SQL based support in CUBRID as of version 8.4.0. Database or
        // table optimization can be performed using CUBRID Manager
        // database administration tool. See the link above for more info.
        return FALSE;
    }
    
    // --------------------------------------------------------------------
    
    /**
     * Repair table query
     *
     * Generates a platform-specific query so that a table can be repaired
     *
     * @access private
     * @param
     *            string the table name
     * @return object
     * @link
     *       http://www.cubrid.org/manual/840/en/Checking%20Database%20Consistency
     */
    function _repair_table ($table)
    {
        // Not supported in CUBRID as of version 8.4.0. Database or
        // table consistency can be checked using CUBRID Manager
        // database administration tool. See the link above for more info.
        return FALSE;
    }
    
    // --------------------------------------------------------------------
    /**
     * CUBRID Export
     *
     * @access private
     * @param
     *            array Preferences
     * @return mixed
     */
    function _backup ($params = array())
    {
        // No SQL based support in CUBRID as of version 8.4.0. Database or
        // table backup can be performed using CUBRID Manager
        // database administration tool.
        return $this->db->display_error('db_unsuported_feature');
    }
}

/* End of file cubrid_utility.php */
/* Location: ./system/database/drivers/cubrid/cubrid_utility.php */